.gonglve_btn{
    display: block;
    width: 100px;
    height: 50px;
    border: 2px solid lightsalmon;
    border-radius: 10px;
    text-decoration: none;
    text-align: center;
    line-height: 40px;
    color: gray;
}

/*
    鼠标悬浮
*/
.gonglve_btn:hover{
    background-color: crimson;
    color: white;
}

.a1{
    font-size: 20px;
    text-decoration: none;
}
.a1:link{ /*未被访问*/
    color: brown;
}
.a1:active{ /*被点击的一瞬间*/
    color: salmon;
}
.a1:visited{ /*已经被访问*/
    color: aqua;
}
.a1:hover{ /*鼠标悬浮*/
    color: blueviolet;
}

.gender:checked{
    width: 50px;
    height: 50px;
}

.cart-div{
    display: none;
    width: 200px;
    height: 50px;
    border: 1px solid salmon;
    position: absolute;
}

.cart-btn:hover+.cart-div{
    display: block;
}















